VRUT: /cygdrive/d/src/svn/vrut/trunk/modules/ChcRenderer/OcclusionQuery.h Source File

00001 #ifndef _OcclusionQuery_H__
00002 #define _OcclusionQuery_H__
00003 
00004 #include <vector>
00005 
00009 class OcclusionQuery
00010 {
00011 public:
00012        
00013   OcclusionQuery();
00014 
00015   virtual ~OcclusionQuery();
00016   
00017   virtual bool ResultAvailable() const;
00018   virtual unsigned int GetQueryResult() const;
00019   virtual void BeginQuery();
00020   virtual void EndQuery();
00021   
00022   static void GenQueries(std::vector<OcclusionQuery *> &queries, const int numQueries);
00023   
00024   unsigned int GetQueryId() const;
00025   
00026   
00027 protected:
00028   
00029   OcclusionQuery(const unsigned int idx);
00030   static bool sUseArbQueries;
00031   
00032   unsigned int mId;
00033 };
00034 
00035 #endif // OcclusionQuery_H